From: Neil Puttock <n.puttock@gmail.com>
Date: Tue, 12 Aug 2008 23:18:07 +0000 (+0100)
Subject: Robustify Staff_symbol_referencer::on_line ().
X-Git-Tag: release/2.11.56-1~2^2~14^2~3^2~1^2~1
X-Git-Url: https://git.donarmstrong.com/?a=commitdiff_plain;h=8d47b56dfbf4db4f589877bf33e6ca7358a192be;p=lilypond.git

Robustify Staff_symbol_referencer::on_line ().

Ensure Staff_symbol::on_line () is called using staff-symbol grob, if present.
---

diff --git a/lily/staff-symbol-referencer.cc b/lily/staff-symbol-referencer.cc
index dbff0245c6..4d1c3552c7 100644
--- a/lily/staff-symbol-referencer.cc
+++ b/lily/staff-symbol-referencer.cc
@@ -35,7 +35,8 @@ Staff_symbol_referencer::on_staff_line (Grob *me)
 bool
 Staff_symbol_referencer::on_line (Grob *me, int pos)
 {
-  return Staff_symbol::on_line (me, pos);
+  Grob *st = get_staff_symbol (me);
+  return st ? Staff_symbol::on_line (st, pos) : false;
 }
 
 bool